Structure of PDB 1i9b Chain A

Receptor sequence
>1i9bA (length=205) Species: 6523 (Lymnaea stagnalis) [Search protein sequence]
FDRADILYNIRQTSRPDVIPTQRDRPVAVSVSLKFINILEVNEITNEVDV
VFWQQTTWSDRTLAWNSSHSPDQVSVPISSLWVPDLAAYNAISKPEVLTP
QLARVVSDGEVLYMPSIRQRFSCDVSGVDTESGATCRIKIGSWTHHSREI
SVDPTTENSDDSEYFSQYSRFEILDVTQKKNSVTYSCCPEAYEDVEVSLN
FRKKG
3D structure
PDB1i9b Crystal structure of an ACh-binding protein reveals the ligand-binding domain of nicotinic receptors.
ChainA
Resolution2.7 Å
3D
structure
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Enzymatic activity
Enzyme Commision number ?
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 CA A D161 V176 D161 V176
BS02 CA A D2 D5 D2 D5
Gene Ontology
Molecular Function
GO:0004888 transmembrane signaling receptor activity
GO:0005216 monoatomic ion channel activity
GO:0005230 extracellular ligand-gated monoatomic ion channel activity
Biological Process
GO:0006811 monoatomic ion transport
GO:0034220 monoatomic ion transmembrane transport
Cellular Component
GO:0016020 membrane

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1i9b, PDBe:1i9b, PDBj:1i9b
PDBsum1i9b
PubMed11357122
UniProtP58154|ACHP_LYMST Acetylcholine-binding protein

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